Displacement Pump
24
312226P
Displacement Pump
See manual 309277 for pump repair instructions.
Removal
1. Flush pump.
2. Relieve pressure, page 7.
3. F
. 11. Remove suction tube (34) and hose (26).
4. F
. 12. Push magnet ring (222) up. Push retaining
spring (194) up. Push out pin (249).
5. F
. 13. Loosen jam nut. Unscrew pump.
Installation
1. F
. 14. Screw jam nut to bottom of pump threads.
Screw pump completely into manifold. Unscrew
pump from manifold until pump outlet aligns with
hose. Hand tighten jam nut, then tap 1/8 to 1/4 turn
with hammer or torque to 200 ft-lb (270 N•m).
2. F
. 15. Slowly pull engine starter rope until pump
rod pin hole is aligned with hydraulic rod hole. F
12. Push pin (249) into hole. Push magnet ring (222)
down. Push retaining spring (194) into groove.
3. F
. 16. Fill packing nut with Graco TSL.
F
IG
. 11
CAUTION
Gallon counter may error if magnet ring and/or sensor
assembly are damaged during disassembly/assembly.
F
IG
. 12
TI6514a
34
26
249
TI6515a
222
194
F
IG
. 13
CAUTION
If the pump jam nut loosens during operation, the
threads of the hydraulic motor manifold will be dam-
aged. Tighten jam nut as specified.
F
IG
. 14
F
IG
. 15
TI6516a
TI6517a
TI6518a
222
